The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2007
Filed:
Aug. 11, 2003
Thomas Kleinbeck, Vaihingen/Enz-Riet, DE;
Andreas Vogt, Renningen, DE;
Alexander Redlich, Leinfelden-Echterdingen, DE;
Markus Koch, Stuttgart, DE;
Thomas Kleinbeck, Vaihingen/Enz-Riet, DE;
Andreas Vogt, Renningen, DE;
Alexander Redlich, Leinfelden-Echterdingen, DE;
Markus Koch, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A high-pressure pump having a drive shaft and at least one pump element including a pump piston driven in a reciprocating motion by the drive shaft. A ring on which the pump piston is braced via a support element is rotatably supported on a portion of the drive shaft that is disposed eccentrically to its pivot axis. The ring and/or the support element, at least in their contact region, has many microscopic indentations, and a solid lubricant film is applied to the ring and/or to the support element, at least in their contact region.